<div class="banner">
    <!--轮播 -->
    <div class="am-slider am-slider-default scoll" data-am-flexslider id="demo-slider-0">
        <ul class="am-slides">
            <li class="banner1"><a href="introduction.html"><img src="/homes/images/ad1.jpg" /></a></li>
            <li class="banner2"><a><img src="/homes/images/ad2.jpg" /></a></li>
            <li class="banner3"><a><img src="/homes/images/ad3.jpg" /></a></li>
            <li class="banner4"><a><img src="/homes/images/ad4.jpg" /></a></li>
        </ul>
    </div>
    <div class="clear"></div>
</div>